MAINTAINERS: update maintainer for MediaTek ARM platform

Add new files for MediaTek ARM platform

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

MAINTAINERS

@@ -356,20 +356,26 @@ F:	doc/device-tree-bindings/phy/phy-mtk-*
 F:	doc/device-tree-bindings/usb/mediatek,*
 F:	doc/README.mediatek
 F:	drivers/clk/mediatek/
+F:	drivers/cpu/mtk_cpu.c
+F:	drivers/i2c/mtk_i2c.c
 F:	drivers/mmc/mtk-sd.c
 F:	drivers/phy/phy-mtk-*
 F:	drivers/pinctrl/mediatek/
 F:	drivers/power/domain/mtk-power-domain.c
 F:	drivers/ram/mediatek/
 F:	drivers/spi/mtk_snfi_spi.c
+F:	drivers/spi/mtk_spim.c
 F:	drivers/timer/mtk_timer.c
 F:	drivers/usb/host/xhci-mtk.c
 F:	drivers/usb/mtu3/
 F:	drivers/watchdog/mtk_wdt.c
 F:	drivers/net/mtk_eth.c
+F:	drivers/net/mtk_eth.h
 F:	drivers/reset/reset-mediatek.c
 F:	tools/mtk_image.c
 F:	tools/mtk_image.h
+F:	tools/mtk_nand_headers.c
+F:	tools/mtk_nand_headers.h
 N:	mediatek
 
 ARM METHODE SUPPORT